diff --git a/.changeset/rare-parrots-lie.md b/.changeset/rare-parrots-lie.md
new file mode 100644
index 0000000000..14c664d8ab
--- /dev/null
+++ b/.changeset/rare-parrots-lie.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Updated Sepolia RPC URL.
diff --git a/src/chains/definitions/sepolia.ts b/src/chains/definitions/sepolia.ts
index 154b088c15..a4e03987c2 100644
--- a/src/chains/definitions/sepolia.ts
+++ b/src/chains/definitions/sepolia.ts
@@ -6,7 +6,7 @@ export const sepolia = /*#__PURE__*/ defineChain({
   nativeCurrency: { name: 'Sepolia Ether', symbol: 'ETH', decimals: 18 },
   rpcUrls: {
     default: {
-      http: ['https://rpc.sepolia.org'],
+      http: ['https://rpc2.sepolia.org'],
     },
   },
   blockExplorers: {